TWI338117B - Oven based on diode with function of partial heating - Google Patents

Oven based on diode with function of partial heating Download PDF

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Publication number
TWI338117B
TWI338117B TW097110306A TW97110306A TWI338117B TW I338117 B TWI338117 B TW I338117B TW 097110306 A TW097110306 A TW 097110306A TW 97110306 A TW97110306 A TW 97110306A TW I338117 B TWI338117 B TW I338117B
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Taiwan
Prior art keywords
oven
light
diode
container
heating
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TW097110306A
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Chinese (zh)
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TW200940932A (en
Inventor
Fu Jen Kao
Yi Cheng Lin
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Univ Nat Yang Ming
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Priority to TW097110306A priority Critical patent/TWI338117B/en
Priority to US12/411,051 priority patent/US8238732B2/en
Publication of TW200940932A publication Critical patent/TW200940932A/en
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Publication of TWI338117B publication Critical patent/TWI338117B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Radiation-Therapy Devices (AREA)
  • Control Of Resistance Heating (AREA)

Description

九、發明說明: 【發明所屬之技術領域】 -極 【先前技術】 烤爐又可侧、_、_,伽職 種裝置,-般為封閉或半封閉結構嘯m形式用:::力的: 裝置。J職也τ⑽纽細減體⑹❻溫處理的 =也烤,傳統家庭廚房的常見設備,一般為队式 統上是餐飲行咖而不是家用,多為立 式’中國古代烤爐則不普遍。 夕為立 是:熱管通電後加熱烤爐内部空氣和食 烤爐上:夂Λ疋石”,新型烤爐則都採用鋼管,通常在 烤爐上下蝴賺,容輸_獅物管,增加發 熱官長度,提高加熱效率。加熱管只有一種功率,當烤爐内達 到所需溫度時,加熱管就會斷電,而當箱内漸漸冷卻之後,加 熱官又會通電再加熱,如此反復來保證箱内溫度恆定。 目前市面上之職其熱源往絲缝量轉換效率低、加熱不均 句,且局部加熱之精準度並無特別設計,本發明所提供之烤 爐’克服了上述兩個問題’日本專利公開號特開2002_147762 提供-種以雷射光為_之食品器,但其仍無法達到本發 明局部加熱功能之精準度。 【發明内容】 =明改良舊式烤爐、傳_具加鋪式過於單調,以及轄射 置轉換=率低 '域不均轉缺點。雖烤爐的熱源提供方 一瓦斤紅外線、微波等,但這些熱源往往會伴隨上 述的缺點,因此選用 、一極體以提供新熱源,基於光電原理,透 過二極體的特性(且有 古^u、有_發性,可產生脈衝光),使新式烤爐具 有衣保、體積小、加執 士 模式多樣化等優點。命長、以及能局部加熱、加熱 其包含: 本發明提供—射飾蝴之烤爐, (1) 一谷器,用以做為該烤爐之外殼; ⑵一可飾之平板,位於該容器_,可沿财器内壁移 動; ⑶ 熱源,其係以多個點熱源所組成,位於該可移動之平 板上’放熱方向面向該容器内部,該多個點熱源可依使 用者之4分碰解'雜狀放錄態,以提供不 同之加熱方式。 在較佳的實施方式巾,本發g月所提供之可局部加熱之烤爐,其 ’該點熱源係雷射二極體⑽或發光二極體⑽);其包含一 光線反射板,位於該容器内部可反射該熱源之位置,用以反射 邊熱源’增加加熱目標物的效率,再者,本發明所提供之可局 4加熱之烤爐較佳係用於加熱食物、化學物質及藥品。 本發明另外提供一種二極體烤爐,其包含 (1) 一容器,用以做為該烤爐之外殼; ⑵-二極體,位於該容n内部,用轉放熱能加熱目標物; 及 ⑶-光線反射板,位於該容器内部可反射該二極體所放射出 之光線之位置’用以反射該二極體所釋放之光線,增加 加熱目標物的效率。 1338117 在一實施方式中,本發明所提供之二極體烤爐,其中該二極體 係雷射二極體(LD)或發光二極體(LED);其中該光線反射板係 呈圓柱型之拋光不銹鋼板,位於該容器内部,中間放置愈加熱 之目標物,在較佳的實施方式中,其中該雷射二極體&D)係 1200瓦之高功率雷射二極體棒(High p〇wer iaser di〇de bar);其中該發光二極體(led)係5瓦之高功率發光二極體 (High power LED),並附著於一平板,該平板附著於該光線反 射板,並可沿該光線反射板移動,用以改變加熱部位。 在更佳的實施方式中,本發明所提供之二極體烤爐,其包含一 旋轉軸(20)及一托盤(1〇),該拖盤置於該旋轉軸(2〇)上, 用以放置加熱目標物,該拖盤置可轉動是目標物受熱均勻。再 者,本發明所提供之二極體烤爐較佳係用於加熱食物、化學物 質及藥品。 為了使任何純彳目關技藝者,了解本創作之技_容並據以實 知’且趙據本酬書所揭露之内容、巾請專概圍及圖式, 輕易地理解本創作相關之目的及優點。因此,將在實施方式中 詳、、'田敘述本解之特徵及優點。本創作内容及若干具體實施例 请參考_且詳述如下。事實上’本創作可能以獨的形式來 8 實施,且不應該被推斷為僅限於文中所提及的實例。 【實施方式】 本發明實施所需元件介紹: 尚功率雷射二極體(High power LED) 向功率雷射二極體係指所需的驅動電流值與電壓值相乘後 (P IV)在1瓦以上的就叫做南功率雷射一極體,且呈有集中 性、高功率、瞬發性等特性。 雷射二極體(Laser diode ; LD): 雷射二極體係將其利用激發放射(st imu 1 ated emi ssion)的方 式發光,雷射二極體具有集中性、高功率、瞬發性等特性。 高功率雷射二極體(High power laser diode bar) 高功率雷射二極體是使用寬約500 /z m的條狀結構製成多模態 雷射晶粒’或使用數個條狀(multi-stripe)結構組成雷射陣列 (array) ’可提供更高功率的發光源。 耐熱高反射材質(例:不鏽鋼/鋁): 1338117 某些材質可將㈣研胁極為均勻且光亮,域有污垢與錄跡 的存在,就也可使反射絲增加,❹姐率提高,再者材 質透過選擇以及處理亦可提高耐熱性。 本發明之實施方式: 一、雷射二極體(LD)烤爐: 本發明之雷射二極體烤爐其原理為利用高功率雷射二極體棒 (40)(High power diode laser bar)安裝在圓柱型拋光不鱗鋼 板(耐熱高反射材質的一種’此處使用拋光不銹鋼板)上,此雷 射二極體烤爐採用多個1200瓦之高功率雷射二極體棒 (40),透過拋光不鏽鋼板(3〇)反射雷射二極體棒(4〇)發出的 光’利用機構設計,使光聚焦在加熱物上,達成良好的加熱循 •環效果。 1 '構造: 在圓柱型拋光不鏽鋼板(30)内側裝上雷射二極體棒(40)(數 量可依烤爐生產時所需強度設計),此處不鏽鋼為耐熱高反射 係數材質,透過高功率雷射二極體棒(40)本身的發光及光在 10 圓柱型拋光不鏽鋼板(30)内的不斷反射來加熱食物,底部裝 一個旋轉軸(20) ’旋轉軸上置托盤(10),方形外殼包住整個 圓柱型不鏽鋼,此即為整個構造。 2、運作方式: 將欲加熱物放置托盤(1〇)上,當高功率雷射二極體棒(4〇) 開始加熱時,旋轉軸(20)開始旋轉,加熱物也跟著旋轉,透 過向功率雷射一極體棒(4〇)本身的發光及光在圓柱型拋光不 鏽鋼板(30)内的不斷反射,將光聚焦在食物上加熱,以及托 盤(10)的旋轉使加熱更均勻。 二、發光二極體(LED)烤爐: 本發明之發光二極體其原理為安置在圓柱型抛光不 錄鋼板(耐熱同反射材質的—種’此處使用抛光不銹鋼板當例 子)上的可動式高功率發光二極體平板(50),此平板上裝置許 多高功率發光二極體⑽(High power LEDW匕發光二極體烤 爐採用多5瓦之㊉功率發光二極體(6Q),透過可動式高功率 土光-極體平板(5〇)的移動以及拋光不鏽鋼板⑽)反射高 功率發光—贿⑽)發出的光’湘麟設計,使光聚焦在加 1338117 熱物上’達成良好的加熱循環效果。此外由於本機構設計以及 高功率發光二極體(60)的特性,故可對加熱物進行局部加熱等 進階功能。 1、 構造: 在圓柱型拋光不鏽鋼板(3〇)内側裝上一個高功率發光二極體 鲁 (60)平板(50)其上裝置許多5瓦之高功率發光二極體(6〇), 此處不鏽鋼為耐熱高反射係數材質,此高功率發光二極體(6〇) 平板⑽為可動式,可沿壁内移動,使加熱模式多樣化(例如 局部加熱)’透過高功率發光二極體平板(5〇)本身的發光及光 在圓柱型拋光不鏽鋼板(30)内的不斷反射來加熱食物,底部 裝-個旋轉軸⑽)’旋轉軸上置托盤⑽,使财卜殼包住整 個圓柱型不鏽鋼,此即為整個構造。 2、 運作方式: 將欲加熱物放置托盤(10)上’當要均勻加熱時,高功率發光 二極體⑽開始啟動並且高功率發光二極體平板⑽沿不錄 鋼管壁旋轉,旋轉軸⑽也開始旋轉,並可調節旋轉轴⑽ 高度’其上加熱物便跟著改變位置,透過高功率發光二極體 1338117 本身的發光及光在圓柱型拋光不鏽鋼板(3〇)内的不斷反射, 將光聚焦在食物上加熱’再加上機器本身的運轉使加熱更均 勻。 : 若要局部加熱,使用烤爐加熱選擇系統,透過控制系統使高功 率發光二極體平板(50)移動到想加熱的位置,並利用高功率 發光二極體(60)可以產生脈衝光的特性,調控加熱範圍以及加 熱時間,使我們可以對加熱物進行想要的加熱模式。 雖然本發明已哺佳實關揭露如±,財並非肋限定本創 作。任何熟習此技藝者,在不脫離本發明之精神和範圍内,所 為之更動與潤飾,均屬發明作之專利保護範圍。關於發明作之 保護範圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 圖-為本發明之烤爐以雷射二極體棒作域源之示意圖,(a) 為側面透視圖,(B)為上視圖。 圖二為本發明之烤爐以發光二極體作為熱源之示意圖,(A)為 側面透視圖,(B)為上視圖。 13 1338117 【主要元件符號說明】 10:托盤 20:旋轉軸 30:拋光不鏽鋼板 40:雷射二極體棒 50:發光二極體平板 60:發光二極體Nine, invention description: [Technical field to which the invention belongs] - [Previous technology] The oven can be side, _, _, 伽, the type of equipment, generally closed or semi-closed structure whistle m::: force: Device. J is also a τ (10) new weight reduction (6) ❻ temperature treatment = also baked, the common equipment of the traditional family kitchen, generally for the team is generally a catering business instead of household, mostly for the vertical 'Chinese ancient oven is not common. The eve is: after the heat pipe is energized, the air inside the oven is heated and the oven is on the oven: ochre, and the new ovens are all made of steel pipes, which are usually earned in the oven, and the lion supplies are added. The length increases the heating efficiency. The heating tube has only one kind of power. When the required temperature is reached in the oven, the heating tube will be powered off, and when the box is gradually cooled, the heating unit will be energized and then heated, so that the box is repeatedly repeated. The internal temperature is constant. At present, the heat source to the wire has a low conversion efficiency, uneven heating, and the accuracy of local heating is not specially designed. The oven provided by the present invention 'overcomes the above two problems' Japanese Patent Laid-Open No. 2002-147762 provides a food device in which laser light is used, but it still fails to achieve the accuracy of the local heating function of the present invention. [Summary of the Invention] = Modified old oven, _ _ _ _ Too monotonous, and the ruling conversion = low rate 'domain unevenness to the disadvantage. Although the heat source of the oven provides one watt of infrared, microwave, etc., but these heat sources are often accompanied by the above shortcomings, so choose One pole body provides a new heat source, based on the photoelectric principle, through the characteristics of the diode (and has an ancient ^u, _ hair, can produce pulsed light), so that the new oven has clothing insurance, small size, plus The advantages of the diversification of the mode, the length of life, and the ability to locally heat and heat include: The present invention provides an oven for shooting a butterfly, (1) a barn for use as an outer casing of the oven; (2) a decorative plate located in the container _, movable along the inner wall of the device; (3) a heat source, which is composed of a plurality of point heat sources, on the movable plate, the heat release direction faces the inside of the container, and the plurality of point heat sources can be According to the user's 4 points, the 'heterogeneous release state is provided to provide different heating modes. In the preferred embodiment, the localized heating oven provided by the present invention is the 'heat source system' a laser diode (10) or a light-emitting diode (10); comprising a light reflecting plate located inside the container to reflect the position of the heat source for reflecting the edge heat source to increase the efficiency of heating the object, and further, the present invention The provided oven capable of heating 4 is preferably used for Hot food, chemical substance and medicine. The invention further provides a diode oven comprising (1) a container for the outer shell of the oven; (2) a diode, located inside the volume n, The heat transfer material heats the target object; and (3) a light reflecting plate located inside the container to reflect the position of the light emitted by the diode to reflect the light released by the diode to increase the efficiency of heating the target 1338117 In one embodiment, the present invention provides a diode oven, wherein the two-pole system laser diode (LD) or light-emitting diode (LED); wherein the light reflecting plate is cylindrical a polished stainless steel plate located inside the container with a more heated target placed in the middle, wherein in a preferred embodiment, the laser diode & D) is a 1200 watt high power laser diode bar ( High light emitting diode (LED) is a high power LED of 5 watts and attached to a flat plate, and the flat plate is attached to the light reflecting plate. And can move along the light reflector to change the heating Part. In a further preferred embodiment, the diode oven provided by the present invention comprises a rotating shaft (20) and a tray (1〇), and the tray is placed on the rotating shaft (2〇), In order to place the heating target, the tray is rotatable and the target is heated evenly. Further, the diode oven provided by the present invention is preferably used for heating foods, chemicals, and medicines. In order to make any purely eye-catching artist, understand the skills of this creation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Purpose and advantages. Therefore, the features and advantages of the present solution will be described in detail in the embodiments. Please refer to _ for details of this creation and some specific examples. In fact, this work may be implemented in a unique form and should not be inferred to be limited to the examples mentioned in the text. [Embodiment] The components required for the implementation of the present invention are introduced: High Power LED The power driving diode is required to multiply the required driving current value by the voltage value (P IV) at 1 Above the watt is called the South Power Laser, which is characterized by concentration, high power, and instantness. Laser diode (LD): The laser diode system emits light by means of excitation radiation (s imu 1 ated emi ssion). The laser diode has concentration, high power, instantness, etc. characteristic. High power laser diode bar High power laser diodes are made of strip structures with a width of about 500 /zm to make multimode laser grains' or use several strips (multi The -stripe structure constitutes a laser array (array) that provides a higher power source of illumination. Heat-resistant and high-reflection material (example: stainless steel/aluminum): 1338117 Some materials can make the (4) ridges extremely uniform and bright, and the dirt and traces of the field can increase the reflection wire, and the sister rate is improved. The material can also improve heat resistance through selection and treatment. Embodiments of the invention: 1. Laser diode (LD) oven: The principle of the laser diode oven of the present invention is to utilize a high power diode diode bar (40) (High power diode laser bar) Installed on a cylindrical polished non-scaling steel plate (a type of heat-resistant and high-reflective material used here), this laser diode oven uses multiple 1200-watt high-power laser diode bars (40) ), through the polished stainless steel plate (3 〇) reflected laser diode (4 〇) light emitted by the use of mechanism design, the light is focused on the heating object to achieve a good heating cycle. 1 'Structure: Install a laser diode rod (40) on the inside of the cylindrical polished stainless steel plate (30) (the number can be designed according to the strength required for the oven production), where the stainless steel is made of heat-resistant high-reflection material. The high-power laser diode (40) itself emits light and the light is continuously reflected in the 10 cylindrical polished stainless steel plate (30) to heat the food, and the bottom is equipped with a rotating shaft (20) 'rotating shaft on the tray (10) ), the square outer casing encloses the entire cylindrical stainless steel, which is the entire construction. 2. Operation mode: Place the object to be heated on the tray (1〇). When the high-power laser diode (4〇) starts to heat up, the rotating shaft (20) starts to rotate, and the heating object also rotates. The power of the laser body rod (4 〇) itself and the continuous reflection of light in the cylindrical polished stainless steel plate (30), the light is focused on the food for heating, and the rotation of the tray (10) makes the heating more uniform. Second, the light-emitting diode (LED) oven: The principle of the light-emitting diode of the present invention is placed on a cylindrical polished non-recorded steel plate (heat-resistant and reflective material type - here using a polished stainless steel plate as an example) Movable high-power light-emitting diode plate (50), which is equipped with many high-power light-emitting diodes (10) (High power LEDW匕 light-emitting diode oven uses 5 watts of power-emitting diode (6Q) Through the movement of the movable high-powered earth-light plate (5〇) and the polished stainless steel plate (10), the light emitted by the high-power glow-bile (10) is designed to focus the light on the 1338117 hot object. Achieve a good heating cycle effect. In addition, due to the design of the mechanism and the characteristics of the high-power light-emitting diode (60), it is possible to perform advanced functions such as local heating of the heating object. 1. Construction: Install a high-power LED diode (60) plate (50) on the inside of a cylindrical polished stainless steel plate (3〇) with a number of 5 watt high-power LEDs (6〇) mounted on it. Here, the stainless steel is made of heat-resistant high-reflection material. The high-power LED (6〇) plate (10) is movable and can move along the wall to diversify the heating mode (for example, local heating). The body plate (5〇) itself emits light and the light is continuously reflected in the cylindrical polished stainless steel plate (30) to heat the food, and the bottom is equipped with a rotating shaft (10)). The rotating shaft is placed on the tray (10) to enclose the shell. The entire cylindrical stainless steel, this is the entire construction. 2. Operation mode: Place the object to be heated on the tray (10). When heating is to be evenly heated, the high-power light-emitting diode (10) starts to start and the high-power light-emitting diode plate (10) rotates along the wall of the steel pipe. The rotating shaft (10) It also starts to rotate and adjusts the height of the rotating shaft (10). The heating element then changes its position. The light from the high-power LED 1338117 itself and the continuous reflection of light in the cylindrical polished stainless steel plate (3〇) will Light focusing on the food heats up plus the operation of the machine itself makes the heating more uniform. : For local heating, use the oven heating selection system to move the high-power light-emitting diode plate (50) to the position to be heated through the control system, and use the high-power light-emitting diode (60) to generate pulsed light. The characteristics, regulation of the heating range and heating time allow us to perform the desired heating mode on the heating. Although the present invention has been well-received to expose such as ±, the financial is not a limitation of the creation. Any modification and refinement of those skilled in the art without departing from the spirit and scope of the invention is the scope of patent protection of the invention. The scope of protection of the invention is subject to the definition of the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. - is a schematic view showing the use of a laser diode rod as a domain source for the oven of the present invention, (a) being a side perspective view and (B) being a top view. Fig. 2 is a schematic view showing the oven of the present invention using a light-emitting diode as a heat source, (A) being a side perspective view, and (B) being a top view. 13 1338117 [Description of main component symbols] 10: Tray 20: Rotary shaft 30: Polished stainless steel plate 40: Laser diode bar 50: Light-emitting diode plate 60: Light-emitting diode

Claims (1)

133811? * 十、申請專利範圍: 1. 一種可局部加熱之烤爐,其包含: (1) 一谷器,用以做為該烤爐之外殼; • ⑵—可移動之平板,位於該容器内f,可沿該容器内壁移 : 動;及 (3)熱源’其係lx多個點熱源所組成,位於該可移動之平板 上,放熱方向面向該容器内部,該多個點熱源可依使用者 籲 之°又又分別控制單一點熱源之放熱狀態,以提供不同之加 熱方式。 2. 根據帽專利細第1項之賴,其巾該賴源係雷射二極體 (LD)或發光二極體(led)。 3. 根據中請專利細第丨項之烤爐,其包含—練反射板,位於 該容器内部可反射該熱源之位置,用以反射該熱源,增加加熱 _ 目標物的效率。 .根據申%專利細第丨項之烤爐,其制於加熱食物、化學物 質及藥品。 5· 一種二極體烤爐,其包含 (1) 一容器,用以做為該烤爐之外殼; ⑵體’位於該容器内部,用以釋放熱能加熱目標物; 及 (3) -光線反射板,位於該容器内部可反射該二極體所放射出 15 之光線之位置,用ά反射該二極體所釋放之光線,增加加 熱目標物的效率。 6’根據申請專利範圍第5項之烤爐,其中該二極體係雷射二極體 (LD)或發光二極體(led)。 7. 根據申請專利範圍第5項之烤爐,其中該光線反射板係拋光不 錄鋼板。 8. 根據申請專利範圍第7項之烤爐,其中該拋光不銹鋼板係呈圓 柱型’位於該容器内部,中間放置愈加熱之目標物。 9. 根據申請專利範圍第5項之烤爐,其包含一旋轉軸及一托盤, 該拖盤置於該旋轉軸上,用以放置加熱目標物,該拖盤置可轉 動是目標物受熱均勻。 10·根據申請專利範圍第6項之烤爐,其中該雷射二極體⑽係 1200瓦之高功率雷射二極體棒(High power laser diode bar)。 11. 根據申請專利範圍第6項之烤爐,其中該發光二極體(led) 係5瓦之高功率發光二極體(High power LED)。 12. 根據申請專利範圍第6項之烤爐,其中該發光二極體(LED) 係附著於一平板,該平板附著於該光線反射板,並可沿該光線 反射板移動,用以改變加熱部位。 13. 根據申請專利範圍第5項之烤爐,其係用於加熱食物、化學物 質及藥品。133811? * X. Patent application scope: 1. A locally heatable oven comprising: (1) a barn for use as an outer casing of the oven; (2) a movable plate located in the container The inner f is movable along the inner wall of the container; and (3) the heat source is composed of a plurality of point heat sources, located on the movable plate, and the heat releasing direction faces the inside of the container, and the plurality of point heat sources can be The user also controls the exothermic state of the single point heat source to provide different heating modes. 2. According to the first patent of the cap patent, the towel is a laser diode (LED) or a light-emitting diode (LED). 3. The oven according to the above-mentioned patent specification, which comprises a reflection plate, which is located inside the container to reflect the heat source for reflecting the heat source and increasing the efficiency of heating the target. The oven according to the application of the US patent, which is used to heat food, chemicals and medicines. 5. A diode oven comprising (1) a container for use as an outer casing of the oven; (2) a body 'located inside the container for releasing heat to heat the target; and (3) - light reflection The plate, located inside the container, reflects the position of the light emitted by the diode, and reflects the light released by the diode to increase the efficiency of heating the target. 6' The oven according to item 5 of the patent application, wherein the two-pole system is a laser diode (LD) or a light-emitting diode (LED). 7. The oven of claim 5, wherein the light reflecting plate is polished without a steel plate. 8. The oven of claim 7, wherein the polished stainless steel sheet is in the form of a cylinder' located inside the container with the hotter target placed in the middle. 9. The oven according to claim 5, comprising a rotating shaft and a tray, the tray being placed on the rotating shaft for placing a heating target, the tray being rotatable and the target being heated uniformly . 10. The oven of claim 6, wherein the laser diode (10) is a 1200 watt high power laser diode bar. 11. The oven according to claim 6 wherein the light emitting diode is a 5 watt high power LED. 12. The oven of claim 6, wherein the light emitting diode (LED) is attached to a flat plate attached to the light reflecting plate and movable along the light reflecting plate to change heating Part. 13. The oven according to item 5 of the patent application is used to heat food, chemicals and medicines.
TW097110306A 2008-03-25 2008-03-25 Oven based on diode with function of partial heating TWI338117B (en)

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